Red List Status -
Cap: convex, with radial indents where the gills connect to the cap, small umbilicus; 1 - 3 mm diameter; minutely velutinous, dry; cream at first, becoming pale brown.
Stipe: cylindrical, very tough; 12 – 50 × 0.5 mm; glabrous or finely velutinous; very dark shiny brown to almost black becoming paler at apex; branching or not, branched stems may contains up to 6 caps.
Gills: adnate; 6 to 8 reaching a collarium around the stipe; white to cream with a slightly irregular (serrate?) edge.
Flesh: very thin, tough, white.
Spore print: white.
Spores: elongated ellipsoid; 7.8 – 9.6 × 3.7 – 4.7 µm, average 8.7 ± 0.65 × 4.2 ± 0.45 µm; Q = 1.8 – 2.5, average 2.1 ± 0.2; inamyloid, thin walled, with a large globose oil droplet.
Notes: this Marasmius has not yet been confirmed in NC. The specimens illustrated in Ducuosso et al (2009) do not appear to be this species.